The average train between Montesson and Trappes takes 59 min and the fastest train takes 54 min. The train runs at least 2 times per hour from Montesson to Trappes. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 30 minutes between Montesson and Trappes. The earliest departure is at 5:53 AM in the morning, and the last departure from Montesson is at 11:46 PM which arrives into Trappes at 12:50 AM. All services require a transfer, and take on average 59 min. The schedules shown below are for the next available departures.

57 min • 1 change
57 min • 1 change
57 min • 1 change
54 min • 1 change
57 min • 1 change
57 min • 1 change
1h 2m • 1 change
1h 1m • 1 change
55 min • 1 change
56 min • 1 change
56 min • 1 change
56 min • 1 change
55 min • 1 change
56 min • 1 change
56 min • 1 change
56 min • 1 change
57 min • 1 change
57 min • 1 change
1h 2m • 1 change
1h 1m • 1 change
55 min • 1 change
56 min • 1 change
56 min • 1 change
56 min • 1 changeWant to know about travelling from Montesson to Trappes? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Montesson to Trappes. However, there are services departing from Le Vésinet - Le Pecq station and arriving at Trappes station via La Défense station. The journey, including transfers, takes approximately 59 min.
Montesson to Trappes train services, operated by Réseau Express Régional (RER Paris), depart from Le Vésinet - Le Pecq station.
Montesson to Trappes train services, operated by Transilien – SNCF Voyageurs, arrive at Trappes station.
The distance between Montesson and Trappes is 17.4 km. The road distance is 22 km.
You can take a train from Le Vésinet - Le Pecq to Trappes via La Défense in around 1h 9m.